C2122121212121133132213231313231323132322331321123231333131133131133221   >>    C212212121212113313221323131323132313232233132112323133313113313113322   <<    C2122121212121133132213231313231323132322331321123231333131133131133223   >>      C2122121212121133132213231313231323132322331321123231333131133131133222   >>